diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fb351e3e2209fff6c0b3e2e6264b32d119da8426..b24f79507ed60d4b1b5cb540b0a04d8edc9b5876 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -35,10 +35,10 @@ testgo:
   tags: [ docker ]
   stage: testgo
   script:
-    - ls /usr/lib/go*
-    - ls /usr/local/
+    - ls /usr/lib/go-1.15/bin
+    - ls /usr/local/bin/
     - ls /usr/bin/g*
-    - go install github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc@v1.4.1
+    - /usr/lib/go-1.15/bin/go install github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc@v1.4.1
 
 # Build a docker image in which tests for this repository can run
 build-testenv: